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*Kinde Lamessa
Asfaw Zewdu
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Asfaw Zewdu
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International Journal of Horticultural Science and Ornamental Plants

Effect of spacing and fertilizer dose on growth and yield of potato (Solanum tuberosum L) Gudane variety at West Hararghe, Eastern Ethiopia

*Kinde Lamessa and Asfaw Zewdu

Oromia Agricultural Research institute (IQQO), Mechara Agricultural Research Center; Horticulture Research team, Mechara, Ethiopia.

Accepted 19 March, 2016.

Citation: Lamessa K, Zewdu A (2016). Effect of spacing and fertilizer dose on growth and yield of potato (Solanum tuberosum L) Gudane variety at West Hararghe, Eastern Ethiopia. International Journal of Horticulture and Ornamental Plants 2(1): 011-018.

Copyright: © 2016. Lamessa and Zewdu. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

The experiment was conducted at two locations, Mechara Agricultural Research Center and Oda Bultum district at Oda Basso Farmers Training Center (FTC) and Gudane variety was used for the study. The treatments were combined factorial arrangement in Randomized Completed Block Design (RCBD) with three replications. Plant height, number of marketable tubers, average number tubers per plant, yield and unmarketable yield was no significant due to main effect of spacing and fertilizer. Location was significantly influence all parameters except yield. However the highest potato yield was obtained at 70cm: 30cm (31.5 ton ha-1), 200 kg ha-1 DAP and 100 kg ha-1 urea (28.7 ton ha -1) and at Mechara (28.4 ton ha -1).  At Mechara the highest (11 ton ha -1) potato yield was recorded at 70cm: 30cm spacing and 200 kg ha-1 of DAP and 100 kg ha-1 of urea. While at Oda Bultum the highest (23 ton ha-1) potato yield was recorded at 90cm:40cm and 200 kg ha-1 of DAP and 100 kg ha-1 of urea statistical at par with 50cm:20cm and 200 kg ha-1 of DAP and 100 kg ha-1. Therefore, a spacing of 70 cm between row and 30 cm between plants with fertilizer rate of 200 kg ha-1 DAP and 100 kg ha-1 Urea was recommended for Mechara and Badessa area and similar agro ecologies.

KeywordsDAP Fertilizer, Spacing, Potato, Urea